Failure
Possible causes
Check Method
Counter measures
The driven nail is bent
Nails are inaccurately
fed into the Blade
Guide
Incorrect nails are
loaded
Refer to item above
Refer to item above
Worn driver blade
Check if the driver
blade is extremely
worn or not
Replace the driver
blade
The wood is too hard
Check if the nails
bend on softer wood
or not
Stop using the tool
The driven nails do not
fully penetrate the work
piece (heads protrude)
The wood is too hard
Stop using the tool
Air pressure too low
Adjust the air pressure
Worn or broken driver
blade
Carry out idle
driving and check if
the driver blade
protrudes from the
blade guide nose
Check if the tip of
the driver blade is
excessively worn or
not
If the driver blade does
not protrude from the
blade guide replace
Incorrect driving depth
adjustment
Adjust the guide plate to
the appropriate position.
Defective piston ring
(worn or broken)
Defective inner surface
of cylinder (worn or
rough)
Disassemble the output
unit and check the
inside and outside
surfaces of the piston
ring and cylinder
Replace the defective
parts
Nails clog within the
ejecting gate
Nails are inaccurately
fed into the blade guide
Incorrect nails are
loaded
Refer to first item
Refer to first item
Use designated nails
Worn tip of the driver
blade
Carry out idle driving
and check if blade tip
if worn or not
Replace
Worn guide groove of
the blade guide
Check the wear of the
blade guide
Replace
Work piece material is
too hard
Stop using the tool
